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NB-350A CO2 / MIG / MAG Welding Machine

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NB-350A CO2 / MIG / MAG Welding Machine

NB-350A CO2 / MIG / MAG Welding Machine

CO2 / MIG / MAG Welder

CO₂ / MIG / MAG gas-shielded welder NB-350A, 350A / 60% duty cycle. Inverter DC, synergic control, wire diameter 0.8–1.6mm. Suitable for carbon steel, stainless, low-alloy steel. Compact cabinet, 4-roll wire feeder, CE/CCC certified for general fabrication.

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Key Features

  • Inverter gas-shielded output: stable arc, low spatter, good bead appearance
  • Works with CO₂ and mixed shielding gases
  • Stable wire feeding even with long cable runs
  • Comprehensive overheat, over-voltage and under-voltage protection
  • Suited to all-position welding and continuous production
  • 350 A output covering general welding of 6–12 mm plate

Typical Applications

  • Steel fabrication and erection
  • Vehicle repair and panel work
  • Agricultural and general machinery maintenance
  • Pipe and support welding

Selection & Setup Notes

350 A is the most general-purpose MIG/MAG class: the everyday 180–280 A band covers 6–12 mm plate with the best balance of cost and capability. For regular work above 20 mm, move to the NB-500A. Comparison in the CO2 / MIG / MAG welder section.

Standards & Further Reading

External reference: American Welding Society (AWS) — Welding procedure and qualification references published by the American Welding Society.

Frequently Asked Questions

How thick can 350 A weld?

6–12 mm is efficient in one or two passes; thicker plate needs a preparation and multi-pass, and a 500 A machine is advisable.

Pure CO₂ or a mix?

Pure CO₂ for cost sensitivity with more spatter; an Ar+CO₂ mix for appearance and low spatter, cutting cleaning time considerably.

How do I fix irregular wire feeding?

Replace the contact tip first, then check drive-roll pressure and liner kinks, then spool braking and the guide tube.

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